THE HOLMS

This Theme Area contains the Policy Unit HOL 1 and HOL 2.

It includes the shorelines of the islands Flat Holm and Steep Holm.

The Key Policy Drivers in this area are:

• International nature conservation sites – Severn Estuary SAC, SPA and Ramsar.

Policy Unit: HOL 1 – Flat Holm

Preferred Policies to Implement the Plan:

Epoch Preferred Policy Comments

0 to 20 years (2025)

NAI

The Short Term policy for this unit is No Active Intervention.

High ground and hard geology limits the impacts of coastal flooding and in this Policy Unit in the short term. This Policy Unit is not linked to any others.

20 to 50 years (2055)

NAI

The medium term policy for this unit is No Active Intervention.

High ground and hard geology limits the impacts of coastal flooding and in this Policy Unit in the medium term. This Policy Unit is not linked to any others.

50 to 100 years (2105)

NAI

The long term policy for this unit is No Active Intervention.

High ground and hard geology limits the impacts of coastal flooding and in this Policy Unit in the long term. This Policy Unit is not linked to any others.

Economics

Policy Unit

Existing SMP1 Policy

Time Period (epoch) SMP2 Assessment

0-20

20-50

50-100

Preferred Plan Present Value Damages

Preferred Plan Present Value Defence Costs

HOL 1 Do

Nothing (Locally

HTL)

NAI NAI NAI Minimal Minimal

The preferred policy has no economic impact. This Policy Unit is not linked to any others.

Predicted Implication of the Preferred Plan for the HOL 1 Policy Unit

Time Period Management Activities Property, Land Use and

Human Health

Nature Conservation – including Earth Heritage, Geology and Biodiversity

Landscape Character and Visual Amenity Historic Environment Amenity and

Recreational Use

0 – 20 years

The shoreline will remain stable in this period, and as a result management activities will be limited.

Limited erosion and flood risk will not impact on existing property, land use or human health.

A NAI policy will allow natural processes to dominate. The shoreline will remain stable and will not impact on nature conservation sites.

Limited erosion and flood risk will not impact on existing landscape and visual amenity

Limited erosion and flood risk will not impact on the historic environment

Limited erosion and flood risk will not impact on the amenity value of the land or recreational use.

20 – 50 years

The shoreline will undergo limited erosion within this period, and as a result management activities will be limited.

Limited erosion and flood risk will not impact on existing properties, land use or human health.

A NAI policy will allow natural processes to dominate. The shoreline will remain stable and will not impact on nature conservation sites.

Limited erosion and flood risk will not impact on existing landscape and visual amenity

Limited erosion and flood risk will not impact on the historic environment

Limited erosion and flood risk will not impact on the amenity value of the land or recreational use.

50 – 100 years

The shoreline will undergo limited erosion within this period, and as a result management activities will be limited.

Limited erosion and flood risk will not impact on existing properties, land use or human health.

A NAI policy will allow natural processes to dominate. The shoreline will remain stable and will not impact on nature conservation sites.

Limited erosion and flood risk will not impact on existing landscape and visual amenity

Limited erosion and flood risk will not impact on the historic environment

Limited erosion and flood risk will not impact on the amenity value of the land or recreational use.

Policy Unit: HOL 2 – Steep Holm

Preferred Policies to Implement the Plan:

Epoch Preferred Policy Comments

0 to 20 years (2025)

NAI

The Short Term policy for this unit is No Active Intervention.

High ground and hard geology limits the impacts of coastal flooding and in this Policy Unit in the short term. This Policy Unit is not linked to any others.

20 to 50 years (2055)

NAI

The medium term policy for this unit is No Active Intervention.

High ground and hard geology limits the impacts of coastal flooding and in this Policy Unit in the medium term. This Policy Unit is not linked to any others.

50 to 100 years (2105)

NAI

The long term policy for this unit is No Active Intervention.

High ground and hard geology limits the impacts of coastal flooding and in this Policy Unit in the long term. This Policy Unit is not linked to any others.

Economics

Policy Unit

Existing SMP1 Policy

Time Period (epoch) SMP2 Assessment

0-20

20-50

50-100

Preferred Plan Present Value Damages

Preferred Plan Present Value Defence Costs

HOL 2 Do

Nothing (Locally

HTL)

NAI NAI NAI Minimal Minimal

The preferred policy has no economic impact. This Policy Unit is not linked to any others.

Predicted Implication of the Preferred Plan for the HOL 2 Policy Unit

Time Period Management Activities Property, Land Use and

Human Health

Nature Conservation – including Earth Heritage, Geology and Biodiversity

Landscape Character and Visual Amenity Historic Environment Amenity and

Recreational Use

0 – 20 years

The shoreline will remain stable in this period, and as a result management activities will be limited.

Limited erosion and flood risk will not impact on existing property, land use or human health.

A NAI policy will allow natural processes to dominate. The shoreline will remain stable and will not impact on nature conservation sites.

Limited erosion and flood risk will not impact on existing landscape and visual amenity

Limited erosion and flood risk will not impact on the historic environment

Limited erosion and flood risk will not impact on the amenity value of the land or recreational use.

20 – 50 years

The shoreline will undergo limited erosion within this period, and as a result management activities will be limited.

Limited erosion and flood risk will not impact on existing properties, land use or human health.

A NAI policy will allow natural processes to dominate. The shoreline will remain stable and will not impact on nature conservation sites.

Limited erosion and flood risk will not impact on existing landscape and visual amenity

Limited erosion and flood risk will not impact on the historic environment

Limited erosion and flood risk will not impact on the amenity value of the land or recreational use.

50 – 100 years

The shoreline will undergo limited erosion within this period, and as a result management activities will be limited.

Limited erosion and flood risk will not impact on existing properties, land use or human health.

A NAI policy will allow natural processes to dominate. The shoreline will remain stable and will not impact on nature conservation sites.

Limited erosion and flood risk will not impact on existing landscape and visual amenity

Limited erosion and flood risk will not impact on the historic environment

Limited erosion and flood risk will not impact on the amenity value of the land or recreational use.